how can you add this-
1+2+3+.............upto 100
Answers
Answered by
1
Answer:
Sn = n/2 (2a+(n-1).d)........
Answered by
1
Answer:
Sn=n/2 {2a+(n-1).d}
solve using this formula
u will get ur ans...
Hope helps uh MATE
if si
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